(19)
(11) EP 3 989 960 A1

(12)

(43) Date of publication:
04.05.2022 Bulletin 2022/18

(21) Application number: 20831638.0

(22) Date of filing: 23.06.2020
(51) International Patent Classification (IPC): 
A61K 31/197(2006.01)
A61P 17/00(2006.01)
 A61N 5/06(2006.01)
(52) Cooperative Patent Classification (CPC):
A61P 17/00; A61K 31/197; A61N 5/062; A61N 2005/0662; A61N 2005/0626
(86) International application number:
PCT/IB2020/055937
(87) International publication number:
WO 2020/261125 (30.12.2020 Gazette 2020/53)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 25.06.2019 US 201962866311 P

(71) Applicant: Dusa Pharmaceuticals, Inc.
Wilmington, MA 01887 (US)

(72) Inventor:
  • MAYTIN, Edward V.
    Cleveland, Ohio 44195 (US)

(74) Representative: Zacco Sweden AB 
P.O. Box 5581
114 85 Stockholm
114 85 Stockholm (SE)

   


(54) METHODS FOR REDUCING PAIN DURING PHOTODYNAMIC THERAPY OF ACTINIC KERATOSIS